{"id":119440,"date":"2024-08-13T15:43:13","date_gmt":"2024-08-13T13:43:15","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/uyazvimost-v-web-brauzerah-pozvolyayushhaya-atakovat-lokalnye-servisy-cherez-ip-0-0-0-0"},"modified":"2024-08-13T15:43:13","modified_gmt":"2024-08-13T13:43:15","slug":"uyazvimost-v-web-brauzerah-pozvolyayushhaya-atakovat-lokalnye-servisy-cherez-ip-0-0-0-0","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/news\/uyazvimost-v-web-brauzerah-pozvolyayushhaya-atakovat-lokalnye-servisy-cherez-ip-0-0-0-0","title":{"rendered":"Vulnerabilit\u00e0 nei browser web che consente attacchi ai servizi locali tramite l'IP 0.0.0.0","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"<p>L'azienda Oligo Security ha pubblicato informazioni su una vulnerabilit\u00e0 che colpisce Chrome, Firefox e Safari, e che consente di aggirare le restrizioni di accesso ai servizi di rete disponibili solo sulla rete locale, attraverso una chiamata all'indirizzo IP 0.0.0.0. I primi avvisi sulla vulnerabilit\u00e0 sono stati pubblicati gi\u00e0 18 anni fa, ma finora il problema non \u00e8 stato risolto.       <\/p>\n<p>La vulnerabilit\u00e0, che si manifesta solo su Linux e macOS, \u00e8 causata dal fatto che l'indirizzo IP 0.0.0.0 su queste piattaforme porta alla chiamata dell'interfaccia di rete locale (localhost), cio\u00e8 inviare una richiesta a 0.0.0.0 \u00e8 equivalente a inviare una richiesta all'indirizzo 127.0.0.1. I moderni browser dispongono di strumenti per contrastare le richieste a 127.0.0.1 quando si interagisce con siti web esterni, poich\u00e9 ci\u00f2 potrebbe essere utilizzato per manipolare servizi interni sul sistema dell'utente, accessibili solo ad applicazioni locali.    <\/p>\n<p>La vulnerabilit\u00e0 consente di aggirare il divieto di accesso a 127.0.0.1 e di organizzare un attacco ai servizi interni aprendo una pagina esterna controllata dall'attaccante nel browser. Effettuando una richiesta tramite 0.0.0.0, i meccanismi CORS (Cross-Origin Resource Sharing) e PNA (Private Network Access) non possono impedire l'esecuzione di tale attacco. Si segnala che il problema non \u00e8 cos\u00ec innocuo come sembra ed \u00e8 gi\u00e0 utilizzato da malintenzionati per compiere attacchi reali sfruttando vulnerabilit\u00e0 critiche in applicazioni server, l'accesso alle quali \u00e8 aperto solo per la rete locale.     <center><img decoding=\"async\" alt=\"Vulnerabilit\u00e0 nei browser web che consente attacchi ai servizi locali tramite l&#039;IP 0.0.0.0\" src=\"\/wp-content\/uploads\/2024\/08\/edcda8e5f719fc72c41d07c85863bf09.png\" style=\"display:block;margin: 0 auto;\" \/><img decoding=\"async\" alt=\"Vulnerabilit\u00e0 nei browser web che consente attacchi ai servizi locali tramite l&#039;IP 0.0.0.0\" src=\"\/wp-content\/uploads\/2024\/08\/900bec3aac4223dbed507bf722a49a3b.png\" style=\"display:block;margin: 0 auto;\" \/><\/center>        <\/p>\n<p>Ad esempio, l'uso di 0.0.0.0 per accedere ai servizi locali \u00e8 stato registrato negli attacchi ShadowRay e Selenium Grid identificati a marzo e luglio, utilizzati per eseguire codice sui sistemi degli sviluppatori. Nel caso dell'attacco ShadowRay, l'obiettivo erano i sistemi degli sviluppatori che utilizzavano il framework AI Ray. Il secondo attacco mirava a sfruttare una vulnerabilit\u00e0 critica nella piattaforma Selenium Grid in configurazioni che accettano richieste solo dall'host locale.     <\/p>\n<p>Inoltre, si menziona la possibilit\u00e0 di applicare il metodo per sfruttare la vulnerabilit\u00e0 ShellTorch in <a class=\"wpil_keyword_link\" href=\"https:\/\/prohoster.info\/it\/server\/dts-newyork\/\"   title=\"server\" data-wpil-keyword-link=\"linked\"  data-wpil-monitor-id=\"2778\">server<\/a> PyTorch TorchServe, utilizzato sui computer degli sviluppatori di applicazioni AI. L'accesso ai servizi di rete dell'host locale pu\u00f2 anche essere utilizzato per la scansione delle porte di rete al fine di identificare indirettamente l'utente.        <\/p>\n<p>Gli sviluppatori di Firefox hanno preparato una modifica della specifica per la chiamata Fetch, vietando l'accesso a 0.0.0.0, ma non hanno ancora definito quando inizier\u00e0 il blocco nel browser. In Chrome, l'accesso a 0.0.0.0 \u00e8 previsto di essere bloccato nella versione Chrome 128, attesa per la prossima settimana. In Safari si prevede di implementare il blocco di 0.0.0.0 nella versione Safari 18.<br \/>\n<br \/>Fonte: <a content=\"nofollow\" rel=\"nofollow\" href=\"https:\/\/www.opennet.ru\/opennews\/art.shtml?num=61696\">opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"<p>\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Oligo Security \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 \u0438\u043d\u0444\u043e\u0440\u043c\u0430\u0446\u0438\u044e \u043e\u0431 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438, \u0437\u0430\u0442\u0440\u0430\u0433\u0438\u0432\u0430\u044e\u0449\u0435\u0439 Chrome, Firefox \u0438 Safari, \u0438 \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0439 \u043e\u0431\u043e\u0439\u0442\u0438 \u043e\u0433\u0440\u0430\u043d\u0438\u0447\u0435\u043d\u0438\u0435 \u0434\u043e\u0441\u0442\u0443\u043f\u0430 \u043a \u0441\u0435\u0442\u0435\u0432\u044b\u043c \u0441\u043b\u0443\u0436\u0431\u0430\u043c, \u0434\u043e\u0441\u0442\u0443\u043f\u043d\u044b\u043c \u0442\u043e\u043b\u044c\u043a\u043e \u043d\u0430 \u043b\u043e\u043a\u0430\u043b\u044c\u043d\u043e\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u0435, \u0447\u0435\u0440\u0435\u0437 \u043e\u0431\u0440\u0430\u0449\u0435\u043d\u0438\u0435 \u043f\u043e IP-\u0430\u0434\u0440\u0435\u0441\u0443 0.0.0.0. \u041f\u0435\u0440\u0432\u044b\u0435 \u043f\u0440\u0435\u0434\u0443\u043f\u0440\u0435\u0436\u0434\u0435\u043d\u0438\u044f \u043e\u0431 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0438 \u0431\u044b\u043b\u0438 \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043d\u044b \u0435\u0449\u0451 18 \u043b\u0435\u0442 \u043d\u0430\u0437\u0430\u0434, \u043d\u043e \u0434\u043e \u0441\u0438\u0445 \u043f\u043e\u0440 \u043f\u0440\u043e\u0431\u043b\u0435\u043c\u0430 \u0442\u0430\u043a \u0438 \u043d\u0435 \u0431\u044b\u043b\u0430 \u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u0430. \u0423\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u044c, \u043a\u043e\u0442\u043e\u0440\u0430\u044f \u043f\u0440\u043e\u044f\u0432\u043b\u044f\u0435\u0442\u0441\u044f \u0442\u043e\u043b\u044c\u043a\u043e \u0432 [&hellip;]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":119441,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-119440","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t<!-- All in One SEO 5.0.1.1 - aioseo.com -->\n\t<meta name=\"description\" content=\"\u041a\u043e\u043c\u043f\u0430\u043d\u0438\u044f Oligo Security \u043e\u043f\u0443\u0431\u043b\u0438\u043a\u043e\u0432\u0430\u043b\u0430 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